1 ITU List of coast stations and special service stations (list IV) ITU ITU List of coast stations and special service stations (list IV) / International telecommunication union Geneva : International telecommunication union, 2013. - NAUTIKA Itu lisIV lcssss
2 ITU List of ship stations and maritime mobile service identity assignments (list V) ITU ITU List of ship stations and maritime mobile service identity assignments (list V) / International telecommunication union Geneva : International telecommunication union, 2015. - NAUTIKA Itu lisV lssmmsia
3 ITU Manual for Use by the Maritime Mobile and Maritime Mobile-Satellite Services ITU ITU Manual for Use by the Maritime Mobile and Maritime Mobile-Satellite Services / International telecommunication union Geneva : International telecommunication union, 2013. - NAUTIKA Itu man mummmmss